---
# https://docs.k3s.io/helm
apiVersion: helm.cattle.io/v1
kind: HelmChart
metadata:
  name: coredns
  namespace: kube-system
spec:
  # renovate: datasource=helm
  repo: https://coredns.github.io/helm
  chart: coredns
  version: 1.26.0
  targetNamespace: kube-system
  bootstrap: true
  valuesContent: |-
    fullnameOverride: coredns
    replicaCount: 2
    k8sAppLabelOverride: kube-dns
    service:
      name: kube-dns
      clusterIP: {{ k3s_server['service-cidr'] | ansible.utils.nthhost(10) }}
    serviceAccount:
      create: true
    deployment:
      annotations:
        reloader.stakater.com/auto: "true"
    servers:
      - zones:
          - zone: .
            scheme: dns://
            use_tcp: true
        port: 53
        plugins:
          - name: log
          - name: errors
          - name: health
            configBlock: |-
              lameduck 5s
          - name: ready
          - name: kubernetes
            parameters: cluster.local in-addr.arpa ip6.arpa
            configBlock: |-
              pods insecure
              fallthrough in-addr.arpa ip6.arpa
              ttl 30
          - name: prometheus
            parameters: 0.0.0.0:9153
          - name: forward
            parameters: . /etc/resolv.conf
          - name: cache
            parameters: 30
          - name: loop
          - name: reload
          - name: loadbalance
    affinity:
      nodeAffinity:
        requiredDuringSchedulingIgnoredDuringExecution:
          nodeSelectorTerms:
            - matchExpressions:
                - key: node-role.kubernetes.io/control-plane
                  operator: Exists
    tolerations:
      - key: CriticalAddonsOnly
        operator: Exists
      - key: node-role.kubernetes.io/control-plane
        operator: Exists
        effect: NoSchedule
      - key: node-role.kubernetes.io/master
        operator: Exists
        effect: NoSchedule
    topologySpreadConstraints:
      - maxSkew: 1
        topologyKey: kubernetes.io/hostname
        whenUnsatisfiable: DoNotSchedule
        labelSelector:
          matchLabels:
            app.kubernetes.io/instance: coredns